Switching

Hi, I have a 3850 switch with a USB slot on the front that I want to use for a code upgrade. With nothing plugged into the front USB drive slot, I do a dir usbflash0: and it lists files? How can that be if nothing is inserted. A show usbflash0: shows...

Hi I would like to configure  five  ports of etherswitch module attached on  router ISR4331 to be like à real switch phisically seperate . How can 'i do IT? Thk. 

Hi All, We have two sites one is having Public IP (static) by ISP assigned in gateway: 61.12.26.68  and its LAN Network 172.168.10.x  SM: 255.255.252.0. another site having Public IP (static) by ISP assigned in gateway: 111.93.124.160 and its LAN ne...

Im currently planning our migration from our existing 65s over to 9k Nexus switches. Does anyone have any experience in having acheived this sort of migration? Is there any recommended best practises when connecting the nexus to the Catalysts that y...

Hello community, I did not find really reliable information if the tunable DWDM SFP+ (DWDM-SFP10G-C) is supported in the Cat4500 Sup7-E. I only found the information in the compatibility matrix that DWDM SFP+ are supported since Version 3.5.0E. Does...

Hello What is function of encapsulation and please explain the encapsulation protocols. dot1q , isl, negotiation. thanks Regards

Unable to ping from internal host to outside interface IP ,  how do i enable icmp for outside (security 0) interface on asa 5505 to ping from inside host (security level 100) ? Ex:- Outside interface gi 0 ,nameif outside  , is set 10.0.1.169  Insid...

I have a new cisco isr 4351 router. 2 wan interface and 1 lan interface. All configuration I have done, its providing internet connectivity to my lan network properly. But there is one issue I am facing. I am not able to ping any of the interface of ...

Hello, I have attached an SNMP interface traffic graph showing 'traffic in', 'traffic out' and 'output drops' on a WAN uplink port of a  WS-C3650-24PS. You can see there a lot of output drops but they do not necessarily correlate with high traffic. N...

After an NX-OS upgrade on my 3548, it couldn't be discovered by my config backup program. As it turns out, Cisco isn't presenting a valid SSH negotiation. I don't notice anything via PuTTY, but upon starting the process, the switch responds with:dcos...

Hi All I’m not sure if any of you have encountered such issues but my company recently purchased 2 units of Cisco Catalyst 4507RE that comes with quad Supervisor module 8L-E. We enabled VSS in our staging environment, and this is good.   However, I ...

Hi, I want to extend a subnet from /24 to /23. My plan is as follows: 1) Change the SVI subnet from /24 to /23. 2) Change the subnet mask on the servers in this subnet from /24 to /23. My question is concerning the servers that belongs to this sub...

How do I get the ip4 address of a host on a local network from the router RV042G? I need to incorporate such in a program, and I am not finding what I need to accomplish. When I make a dns request for 192.168.1.1(the local router the RV042g, I get a ...